Using the rules in logic, write the negations of the following : … - Vidyadip

Question

Using the rules in logic, write the negations of the following : p ∧ (q ∨ r)

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Answer

The negation of p ∧ (q ∨ r) is
~ [p ∧ (q ∨ r)]
≡ ~ p ∨ ~(q ∨ r) … (Negation of conjunction)
≡ ~p ∨ (~q ∧ ~r) … (Negation of disjunction)

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